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OliverJAsh/foo.ts

Created December 15, 2016 17:38
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TypeScript key lookup helpers
Raw
foo.ts
export type Maybe<T> = undefined | T;
export type StringDictionary<T> = { [k: string]: T };
export const getInDictionary = <T>(dict: StringDictionary<T>, prop: string): Maybe<T> => dict[prop]
export const getInArray = <T>(array: T[], index: number): Maybe<T> => array[index]
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